Move path functions from file_util to FilePath object.

content/public/test/test_launcher.cc

Index: content/public/test/test_launcher.cc
diff --git a/content/public/test/test_launcher.cc b/content/public/test/test_launcher.cc
index f4635ec5e0b04c1bd8eb3bbe85bb8ec43bb8aaa1..1d806055d171c86da8fb7b05f586219ca6e03dc2 100644
--- a/content/public/test/test_launcher.cc
+++ b/content/public/test/test_launcher.cc
@@ -175,7 +175,7 @@ ResultsPrinter::ResultsPrinter(const CommandLine& command_line) : out_(NULL) {
     // If the given path ends with '/', consider it is a directory.
     // Note: This does NOT check that a directory (or file) actually exists
     // (the behavior is same as what gtest does).
-    if (file_util::EndsWithSeparator(path)) {
+    if (path.EndsWithSeparator()) {
       base::FilePath executable = command_line.GetProgram().BaseName();
       path = path.Append(executable.ReplaceExtension(
           base::FilePath::StringType(FILE_PATH_LITERAL("xml"))));